Radiology Billing Services in California

California's radiology practices face unique billing challenges shaped by Blue Shield of California / Anthem's commercial rules, Medi-Cal requirements, and Noridian Healthcare Solutions (Jurisdiction E) Medicare policies. Our AAPC-certified coders specialize in both CA payer rules and radiology coding complexity.

AAPC Certified
CA Payer Expert
Radiology Specialists
2.49% Rate
Last reviewed: May 2026Reviewed by the Go Medical Billing Editorial TeamAAPC-certified coders
110,000+CA Physicians
2.49%Starting Rate
5Medicaid MCOs
98%+Clean Claim Rate

Why California Radiology Practices Need Specialized Billing

California's healthcare market includes 110,000+ physicians, and radiology practices here face a payer market dominated by Blue Shield of California / Anthem on the commercial side and Medi-Cal on the public payer side. Medicare claims are processed through Noridian Healthcare Solutions (Jurisdiction E), which applies its own Local Coverage Determinations that directly affect radiology procedure coverage and medical necessity requirements. Generic billing teams without CA specific knowledge leave revenue on the table.

Radiology billing itself is complex. Radiology coding requires understanding of professional (mod 26) vs technical (mod TC) component billing, contrast administration rules (with/without/both), and the complex coding for interventional radiology procedures. When you combine this coding complexity with California's specific payer rules, authorization requirements, and 5 Medi-Cal managed care plans that each have their own billing rules, you need a team that understands both dimensions. Go Medical Billing provides that expertise at 2.49% of collections, serving radiology practices from Los Angeles to Oakland and across California.

2026 California Medicare Allowables for Radiology CPT Codes

These are the 2026 Medicare allowable amounts for radiology CPT codes in California, processed under Noridian Healthcare Solutions (Jurisdiction E). Allowables are locality-adjusted, so CArates differ from other states — the highest-value radiology code below pays $343.81 non-facility here. Compare any code across states with our Medicare fee calculator by state.

Code
Description
Non-Facility
Facility
CT head or brain without contrast
$120.71
$120.71
CT chest without contrast
$150.23
$150.23
MRI lumbar spine without contrast
$217.63
$217.63
MRI lower extremity joint without contrast
$233.45
$233.45
CT abdomen and pelvis with contrast
$343.81
$343.81
Abdominal ultrasound, complete
$129.99
$129.99
Transvaginal ultrasound
$134.54
$134.54
Diagnostic mammography, unilateral
$141.45
$141.45
Screening mammography, bilateral
$144.68
$144.68
Soft tissue head and neck ultrasound
$124.88
$124.88

Source: 2026 Medicare Physician Fee Schedule, CA locality (Noridian Healthcare Solutions (Jurisdiction E)). Commercial Blue Shield of California / Anthem rates typically run above these benchmarks; Medi-Cal rates run below. Figures for reference, not a guarantee of payment.

The California Market Context for Radiology Practices

California has more physicians than any other state and the most complex healthcare regulatory environment in the country. The state's Medi-Cal program covers over 15 million residents through a managed care system that varies by county, creating a patchwork of billing rules that differs from LA to San Francisco to Sacramento. Kaiser Permanente's dominant HMO presence adds another layer of complexity, as does the Knox-Keene Act which regulates managed care plans differently than federal law. AB 72's balance billing protections go further than the federal No Surprises Act. California also has the highest cost of living for in-house billing staff, making outsourcing at 2.49% an even more significant cost advantage.

California-specific factors that shape radiology reimbursement: Medi-Cal expanded to cover undocumented adults of all ages effective January 2024, making California the first state with full Medi-Cal eligibility regardless of immigration status. The expansion added roughly 700,000 newly eligible adults aged 26 to 49 to the rolls.; California is one of the only states with a dual managed care regulatory structure. The Department of Managed Health Care (DMHC) oversees HMOs and most Medi-Cal plans, while the California Department of Insurance (CDI) regulates indemnity and PPO products. The two departments have different rules, complaint paths, and provider remedies.; Medi-Cal is the largest Medicaid program in the country by enrollment, covering more than 15 million Californians, which is roughly one in three state residents.. Our CA coders build these into every radiologyclaim — see how this works alongside our California medical billing and radiology billing teams.

California Payer Challenges for Radiology

Every CA payer has specific rules for radiology claims. Here's how we navigate them.

Blue Shield of California / Anthem Radiology Claims

Blue Shield of California / Anthem processes the largest share of California commercial radiology claims. We know their CA specific fee schedules, prior authorization requirements for radiology procedures, and their appeal timelines when claims are denied. 26/TC splits must match the service your practice actually provides.

Medi-Cal Radiology Billing

Medi-Cal routes radiology patients through 5 managed care plans: LA Care, Health Net, Molina, and 2 more. Each MCO has its own radiology authorization and billing rules that we manage.

Medicare (Noridian Healthcare Solutions (Jurisdiction E)) Radiology Coverage

Noridian Healthcare Solutions (Jurisdiction E) processes Medicare radiology claims in California with its own Local Coverage Determinations. We navigate Noridian Healthcare Solutions (Jurisdiction E)'s policies around contrast rules to prevent medical necessity denials.

Denial Prevention for California Radiology

Common radiology denials in California include 26/tc splits must match the service your practice actually provides and with contrast, without contrast, and with+without have different codes and rates. Our team catches these issues before submission and appeals aggressively with CA payer-specific documentation when denials occur.

Get Expert Radiology Billing in California

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What We Handle for California Radiology Practices

Diagnostic radiology coding (X-ray, CT, MRI, US)
Professional/technical component billing
Interventional radiology coding
Contrast protocol coding
Prior authorization for advanced imaging
Multi-modality practice billing

California Radiology Billing Cost Comparison

Hiring an in-house biller with radiology expertise in California costs $50K-$70K annually in salary alone. Add benefits, software, clearinghouse fees, and office space, and the true cost is even higher. At 2.49% of collections, Go Medical Billing provides an entire team of AAPC-certified radiology coders and CA payer specialists for a fraction of that cost.

$50K-$70K

In-House Biller Salary

+ benefits, software, space

2.49%

Go Medical Billing Rate

Full team, all services included

60-80%

Typical Cost Reduction

With better results

Frequently Asked Questions

All major CA payers: Blue Shield of California / Anthem, Kaiser, Health Net, Aetna, Cigna, UHC, Medi-Cal (including LA Care, Health Net, Molina), and Medicare through Noridian Healthcare Solutions (Jurisdiction E). If a payer accepts radiology patients in California, we submit and follow-up on claims with them.
The most frequent radiology denials we see from CA payers include 26/tc splits must match the service your practice actually provides, with contrast, without contrast, and with+without have different codes and rates, ir procedures combine surgical and imaging codes with specific supervision requirements. Our team catches these before submission by applying both radiology coding expertise and CA payer-specific rules to every claim.
Medi-Cal routes radiology patients through 5 managed care plans: LA Care, Health Net, Molina, Anthem, CalOptima. Each MCO has its own radiology authorization requirements, fee schedules, and billing rules. We credential and bill with all of them so your radiology practice gets paid correctly.
Most CA radiology practices are fully transitioned within two to three weeks. We connect to your EHR, learn your radiology workflows, and start submitting claims to Blue Shield of California / Anthem, Medi-Cal, Medicare, and all your CA payers with no downtime.

Fix Your California Radiology Billing

Call 888-701-6090 for a free billing assessment specific to your CA radiology practice. We'll show you where revenue is leaking and how to fix it.